Dues for 2016 SX300 Group membership are $40.00 and due in the month of January. Please make check payable to "The SX300 Group".

New Members Registration

If you are a dues paying member for 2015, click here to register for an account. The administrator will approve you based on your payment status.

For instructions on how to register, please click here.

What's Going On
  • 2016 AirVenture

    imageThe seven (7) members of the SX group will be at AirvVnture 2016 with their planes, stop by the AirVentureCup Booth to see the group.

  • New Member: Dave Baldwin

    imageWelcome Dave Baldwin our newest SX member. Dave acquired Jim Turk's SX (N5SX) before Christmas 2014.

  • SXs Top of Show @KOSH 2014

    imageSX300 Group the SX group had a strong showing at Oshkosh in 2014. John Wilson won the Poberezny award, Steve Carter won a Bronze Lindy. Harry Hinkley ran faster than any other normally aspirated single in the field for the AirVenture Cup.

  • New Hartzell Prop

    imageFor more information on the availability of an improved Scimitar style prop from Hartzell, please contact the SX Group DIRECTLY not Hartzell. Read More

Announcement: Ed Swearingen - Dee Howard Foundation Display

The SX Group was recently asked to do a Photoshoot for Flyer Magazine in the U.K. Click a picture to see more:
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Welcome - PDF Print E-mail

The SX300 was originally designed by Ed Swearingen in San Antonio, TX. The aircraft was marketed as a kit from 1984 to 1989. By the end of 1989 approximately 80 kits had been sold, although there were only 48 sets of landing gear, which were built by the landing gear vendor, Airight Inc. in Wichita, KS.


The inventory of SX300 parts were bought by Bill Johns and now reside with Doug Poli at his facility in Ft. Worth, TX. Questions about parts availability should be directed to either Bill Johns or Doug Poli.

The SX300 Group was formed to share ideas, help each other in the building process, create standardized operational procedures, promote safety and hopefully preserve this excellent aircraft.


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